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#!/bin/sh
#
# vm-data/jenkins.customize - customize disk image for jenkins master node
#
# Copyright 2012 Lars Wirzenius
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
set -eux
export LC_ALL=C
rootdir="$1"
# Create a policy-rc.d so that nothing starts during the install.
cat <<EOF > "$rootdir/usr/sbin/policy-rc.d"
#!/bin/sh
exit 101
EOF
chmod a+x "$rootdir/usr/sbin/policy-rc.d"
# Add the Jenkins apt repository to sources.list.
cat <<EOF >> "$rootdir/etc/apt/sources.list"
deb http://pkg.jenkins-ci.org/debian binary/
EOF
# Add extra signing keys into apt's keyring.
wget -q -O - http://pkg.jenkins-ci.org/debian/jenkins-ci.org.key |
chroot "$rootdir" apt-key add -
wget -q -O - http://code.liw.fi/apt.asc |
chroot "$rootdir" apt-key add -
# Update apt's package lists.
chroot "$rootdir" apt-get update
# Create a user for Jenkins, with home directory, and then install Jenkins.
# We mount /proc while doing this, because otherwise some packages fail
# to install correctly.
mount -t proc proc "$rootdir/proc"
chroot "$rootdir" adduser --gecos 'Jenkins' \
--disabled-password --home=/var/lib/jenkins jenkins
chroot "$rootdir" install -d -o jenkins -g jenkins /var/lib/jenkins
chroot "$rootdir" apt-get install -y --no-remove jenkins
umount "$rootdir/proc"
# Remove the policy-rc.d so that things do start when we boot into the system.
rm "$rootdir/usr/sbin/policy-rc.d"
# Install ssh host keys.
install -m 0600 vm-data/jenkins.host-key "$rootdir/etc/ssh/ssh_host_rsa_key"
install -m 0644 vm-data/jenkins.host-key.pub \
"$rootdir/etc/ssh/ssh_host_rsa_key.pub"
# Install the Jenkins user ssh key.
mkdir -m 0700 "$rootdir/var/lib/jenkins/.ssh"
install -m 0600 vm-data/jenkins.user-key \
"$rootdir/var/lib/jenkins/.ssh/id_rsa"
install -m 0644 vm-data/jenkins.user-key.pub \
"$rootdir/var/lib/jenkins/.ssh/id_rsa.pub"
# Install the worker user key into Jenkins's allowed_keys file.
install -m 0600 vm-data/worker.user-key.pub \
"$rootdir/var/lib/jenkins/.ssh/authorized_keys"
# Make sure the Jenkins .ssh directory, with contents, is all owned by Jenkins.
chroot "$rootdir" chown -R jenkins:jenkins /var/lib/jenkins/.ssh/.
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